1257232482 has 64 divisors (see below), whose sum is σ = 3069964800. Its totient is φ = 378213840.

The previous prime is 1257232481. The next prime is 1257232507. The reversal of 1257232482 is 2842327521.

1257232482 is a `hidden beast` number, since 1 + 2 + 572 + 3 + 2 + 4 + 82 = 666.

It is not an unprimeable number, because it can be changed into a prime (1257232481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74953 + ... + 90179.

It is an arithmetic number, because the mean of its divisors is an integer number (47968200).

Almost surely, 2^1257232482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1257232482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1534982400).

1257232482 is an abundant number, since it is smaller than the sum of its proper divisors (1812732318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1257232482 is a wasteful number, since it uses less digits than its factorization.

1257232482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15388 (or 15382 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 1257232482 is about 35457.4742755318. The cubic root of 1257232482 is about 1079.2909388973.

It can be divided in two parts, 12572 and 32482, that added together give a palindrome (45054).

The spelling of 1257232482 in words is "one billion, two hundred fifty-seven million, two hundred thirty-two thousand, four hundred eighty-two".